Convert 5 mm to cm

How to convert millimeters to centimeters

1. Formula: centimeters = millimeters × 0.1
2. Put in the value: 5 millimeters.
3. Result: 0.5 centimeters.

Millimeters to centimeters table

Converting the other way: centimeters to millimeters

millimeters = centimeters × 10. So 0.5 centimeters is back to 5 millimeters; one centimeter is 10 millimeters. See the centimeters to millimeters table.

Quick estimate in your head

For a rough answer, multiply by about 0.1: 5 × 0.1 ≈ 0.5 cm, against the exact 0.5 cm (0.0% out). Good enough to check that a calculated result is sensible.

Common mistakes

The usual slip is using the factor the wrong way round. A millimeter is smaller than a centimeter, so the number of centimeters must come out smaller than the number of millimeters. If your answer goes the other way, divide instead of multiplying.

About the units

Millimeter (mm) and centimeter (cm) are both units of length. One millimeter equals 0.1 centimeters, and one centimeter equals 10 millimeters. Results on this page are rounded for display; the conversion itself uses the exact definitions.

Length conversions come up in DIY and building plans, running and cycling distances, maps, clothing sizes and travel between countries that use metric and imperial units.

5 millimeters in other units

The most readable unit for this amount is millimeters (5).

• 0.5 cm
• 0.005 m
• 0.000005 km
• 0.19685039 in
• 0.0164042 ft
• 0.00546807 yd
• 0.00000311 mi
• 0.0000027 nmi
• 0.00273403 fm
• 5,000 um

How this answer was calculated

The result is worked out from the numbers in this page's address when the page is opened, using exact arithmetic wherever possible and rounding only for display. Nothing is copied from a printed table. If you think an answer is wrong, please tell us through the contact page and we will check it.

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